The following maps show the evolution of 3-month rainfall deciles averaged over 9 negative IOD since 1960. Each overlapping 3-month period is shown from April (April to June) to December, to encompass a typical event from start to finish.

Rainfall: wet in the southeast

April–June
Negative Indian Ocean Dipole April to June rainfall deciles composite map
May–July
Negative Indian Ocean Dipole May to July rainfall deciles composite map
June–August
Negative Indian Ocean Dipole June to August rainfall deciles composite map
July–September
Negative Indian Ocean Dipole July to September rainfall deciles composite map
August–October
Negative Indian Ocean Dipole August to October rainfall deciles composite map
September–November
Negative Indian Ocean Dipole September to November rainfall deciles composite map
October–December
Negative Indian Ocean Dipole October to December rainfall deciles composite map

Maximum temperature: warm in the north, cool in the south

April–June
Negative Indian Ocean Dipole April to June maximum temperature decile composite map
May–July
Negative Indian Ocean Dipole May to July maximum temperature decile composite map
June–August
Negative Indian Ocean Dipole June to August maximum temperature decile composite map
July–September
Negative Indian Ocean Dipole July to September maximum temperature deciles composite map
August–October
Negative Indian Ocean Dipole August to October maximum temperature deciles composite map
September–November
Negative Indian Ocean Dipole September to November maximum temperature deciles composite map
October–December
Negative Indian Ocean Dipole October to December maximum temperature deciles composite map

Minimum temperature: from warm to cool

April–June
Negative Indian Ocean Dipole April to June minimum temperature decile composite map
May–July
Negative Indian Ocean Dipole May to July minimum temperature decile composite map
June–August
Negative Indian Ocean Dipole June to August minimum temperature decile composite map
July–September
Negative Indian Ocean Dipole July to September minimum temperature deciles composite map
August–October
Negative Indian Ocean Dipole August to October minimum temperature deciles composite map
September–November
Negative Indian Ocean Dipole September to November minimum temperature deciles composite map
October–December
Negative Indian Ocean Dipole October to December minimum temperature decile composite map